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United States Patent | 5,185,307 |
Hakansson ,   et al. | February 9, 1993 |
Method of producing a cellular body for adsorption of preferably organic substances in purification plants, to which end a cellular structure is impregnated with a hydrophobic zeolite. Impregnation takes place using a sludge of the hydrophobic zeolite and an inorganic binder, the impregnated cellular structure being heated to a temperature at which the constituents thereof begin to sinter together.
Inventors: | Hakansson; Ulf (van Durens Vag 22, S-222 30 Lund, SE); Falth; Lars (Videvagen 50, S-275 31 Sjobo, SE) |
Appl. No.: | 741512 |
Filed: | August 9, 1991 |
PCT Filed: | February 9, 1990 |
PCT NO: | PCT/SE90/00088 |
371 Date: | August 9, 1991 |
102(e) Date: | August 9, 1991 |
PCT PUB.NO.: | WO90/09235 |
PCT PUB. Date: | August 23, 1990 |
Feb 10, 1989[SE] | 8900469 |
Current U.S. Class: | 502/68; 502/60; 502/527.2 |
Intern'l Class: | B01J 020/18 |
Field of Search: | 502/68,527,60 |
4420419 | Dec., 1983 | Ogawa et al. | 502/68. |
4608361 | Aug., 1986 | Kanamori et al. | 502/527. |
4886769 | Dec., 1989 | Kuma et al. | 502/527. |
Foreign Patent Documents | |||
25998 | Jul., 1972 | JP | 502/68. |
105786 | Oct., 1974 | JP | 502/68. |